<template>
    <el-aside :width="width">
        <el-menu
         background-color="#545c64"
         text-color="#fff"
         :collapse="isCollapse"
         :collapse-transition="false"
         :default-active="activeMenu"
        >
        <h3 v-show="!isCollapse">通用后台管理</h3>
        <h3 v-show="isCollapse">后台</h3>
        <el-menu-item
            v-for="item in noChildren"
            :index="item.path"
            :key="item.path"
            @click="handleMenu(item)"
        >
          <component class="icons" :is="item.icon"></component>
          <span>{{item.label}}</span>
        </el-menu-item>
        <el-sub-menu 
            v-for="item in hasChildren"
            :index="item.path"
            :key="item.path"
        >
          <template #title>
            <component class="icons" :is="item.icon"></component>
            <span>{{item.label}}</span>
          </template>
          <el-menu-item-group>
            <el-menu-item 
                v-for="(subItem,subIndex) in item.children"
                :index="subItem.path"
                :key="subItem.path"
                @click="handleMenu(subItem)"
            >
            <component class="icons" :is="subItem.icon"></component>
            <span>{{subItem.label}}</span>
            </el-menu-item>
          </el-menu-item-group>
        </el-sub-menu>
       
      </el-menu>
    </el-aside>
</template>

<script setup>
import {ref,computed} from 'vue'
import {useAllDataStore} from '@/stores'
import {useRouter,useRoute} from 'vue-router'

const noChildren = computed(()=>list.value.filter(item=>!item.children))
const hasChildren = computed(()=>list.value.filter(item=>item.children))
const store = useAllDataStore()
const isCollapse = computed(()=>store.state.isCollapse)
// width 
const width = computed(()=>store.state.isCollapse ? '64px' : '180px')
const router = useRouter()
const route = useRoute()
const activeMenu = computed(()=>route.path)
const list =computed(()=>store.state.menuList)

const handleMenu = (item)=>{
    router.push(item.path)
    store.selectMenu(item)
}
</script>

<style lang="less" scoped>

.icons{
    width:18px;
    height:18px;
    margin-right:5px;
}
.el-menu{
    border-right:none;
    h3{
        line-height:48px;
        color:#fff;
        text-align:center;
    }
}
.el-aside{
    height:100%;
    background-color:#545c64;
}
</style>